package chapter02;

public class Example30 {
    public static void main(String[] args) {
        int [] [] arr= new int[3][];
        arr[0] = new int[]{11,12};
        arr[1] = new int[]{21,22,23};
        arr[2] = new int[]{31,32,33,34};
        int sum = 0;
        for (int i = 0; i < arr.length; i++) {
            int groupSum = 0;
            for (int j = 0; j < arr[i].length; j++) {
                groupSum = groupSum + arr[i][j];
            }
            sum = sum +groupSum;
            System.out.println("第"+(i+1)+"小组销售额为: " +groupSum + "万元.");
        }
        System.out.println("总销售额为: "+ sum + "万元.");
    }
}
